#040d26

Color #040d26

A vivid, highly saturated very dark blue.

Closest named color Black #000000 · ΔE 18.23 Nearest Tailwind class slate-900 #0f172b · ΔE 2.8

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Conversions

HEX

#040d26

RGB

rgb(4, 13, 38)

HSL

hsl(224.1, 81%, 8.2%)

HSV / HSB

hsv(224.1, 89.5%, 14.9%)

CMYK

cmyk(89.5%, 65.8%, 0%, 85.1%)

LAB

lab(4.1, 4.61, -17.15)

LCH

lch(4.1, 17.76, 285.05)

OKLCH

oklch(16.8%, 0.0541, 264.06)

HWB

hwb(224.1, 1.6%, 85.1%)

Harmony colors

Complementary

#261d04

Analogous

#041e26

#040d26

#0c0426

Triadic

#040d26

#26040d

#0d2604

Split-complementary

#040d26

#260c04

#1e2604

Tetradic

#040d26

#1d0426

#261d04

#0d2604

Square

#040d26

#26041e

#261d04

#04260c

Shades

Color #040d26 mixed toward black.

#030b20

#030919

#020613

#01040d

#010206

Tints

Color #040d26 mixed toward white.

#0b256c

#133db3

#2b5de9

#7293f0

#b8c9f8

Tones

Color #040d26 mixed toward gray.

#070e23

#0a1020

#0c111d

#0f121b

#121418

Accessibility

Aa White text on this color

19.25:1

Aa Black text on this color

1.09:1

White text reads better on this background (19.25:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#080822 · ΔE 2.5

Deuteranopia

#070720 · ΔE 2.6

Tritanopia

#041e1d · ΔE 18.8

Achromatopsia

#0e0e0e · ΔE 13

Left half is the original, right half is the simulated appearance. See all 8 vision types →

Code

CSS

background-color: #040d26;

Tailwind (arbitrary value)

bg-[#040d26]

Related colors

Royal Blue #4169e1

Cornflower Blue #6495ed

Light Steel Blue #b0c4de

Light Slate Gray #778899

Slate Gray #708090

Dodger Blue #1e90ff

Frequently asked questions

#040d26 (#040d26) is rgb(4, 13, 38) in RGB.

No, #040d26 is not one of the 216 web-safe colors — for that, every RGB channel would have to be a multiple of 51.

Related tools

Colors

HEX to RGB Converter

Convert any HEX color code to its RGB and HSL equivalents, live, with copy-to-clipboard values.

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Contrast Checker

Check the WCAG contrast ratio between any two colors, live, with AA/AAA pass-fail results.

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Palette Generator

Generate complementary, analogous, triadic, split-complementary, tetradic, square, and monochromatic palettes from any base color.

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Build something with this color

Generate a full palette from #040d26, or check how it holds up for accessibility.

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